TY  - BOOK
AU  - Gass,Susan M.
ED  - Conference on Applied Linguistics
TI  - Variation in second language acquisition
T2  - Multilingual matters
SN  - 1853590266 
PY  - 1989///
CY  - Clevedon, Avon, England
PB  - Multilingual Matters
KW  - Second language acquisition
KW  - Language and languages
KW  - Variation
N1  - "Selected papers presented at the XIth Michigan Conference in Applied Linguistics ... held October 7-9, 1987 at the University of Michigan in Ann Arbor"--Pref; v. 1. Discourse and pragmatics
ER  -